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    IS
    2008
    168views Artificial Intelligence» more  IS 2008»
    From conceptual models to schemata: An object-process-based data warehouse construction method
    13 years 8 months ago
    From conceptual models to schemata: An object-process-based data warehouse construction method
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    Data warehouse modeling is a complex task, which involves knowledge of business processes of the domain of discourse, understanding the structural and behavioral system's con...
    Dov Dori, Roman Feldman, Arnon Sturm
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    IS
    2008
    154views Artificial Intelligence» more  IS 2008»
    The complexity and approximation of fixing numerical attributes in databases under integrity constraints
    13 years 8 months ago
    The complexity and approximation of fixing numerical attributes in databases under integrity constraints
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    Consistent query answering is the problem of characterizing and computing the semantically correct answers to queries from a database that may not satisfy certain integrity constr...
    Leopoldo E. Bertossi, Loreto Bravo, Enrico Francon...
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    IS
    2008
    146views Artificial Intelligence» more  IS 2008»
    Efficient memory representation of XML document trees
    13 years 8 months ago
    Efficient memory representation of XML document trees
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    Implementations that load XML documents and give access to them via, e.g., the DOM, suffer from huge memory demands: the space needed to load an XML document is usually many times...
    Giorgio Busatto, Markus Lohrey, Sebastian Maneth
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    IS
    2008
    125views Artificial Intelligence» more  IS 2008»
    On the expressibility of functions in XQuery fragments
    13 years 8 months ago
    On the expressibility of functions in XQuery fragments
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    XQuery is a powerful XML query language with many features and syntactic constructs. For many common queries we do not need all the expressive power of XQuery. We investigate the ...
    Jan Hidders, Stefania Marrara, Jan Paredaens, Roel...
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    IS
    2008
    123views Artificial Intelligence» more  IS 2008»
    Conformance checking of processes based on monitoring real behavior
    13 years 8 months ago
    Conformance checking of processes based on monitoring real behavior
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    Many companies have adopted Process-aware Information Systems (PAIS) to support their business processes in some form. On the one hand these systems typically log events (e.g., in ...
    Anne Rozinat, Wil M. P. van der Aalst
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    IS
    2008
    185views Artificial Intelligence» more  IS 2008»
    An analysis of XQuery benchmarks
    13 years 8 months ago
    An analysis of XQuery benchmarks
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    This paper presents a survey and an analysis of the XQuery benchmark publicly available in 2006 -- XMach-1, XMark, X007, the Michigan benchmark, and XBench -- from different persp...
    Loredana Afanasiev, Maarten Marx
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    IS
    2008
    124views Artificial Intelligence» more  IS 2008»
    Clustering spatial networks for aggregate query processing: A hypergraph approach
    13 years 8 months ago
    Clustering spatial networks for aggregate query processing: A hypergraph approach
    Download  research.yahoo.com
    In spatial networks, clustering adjacent data to disk pages is highly likely to reduce the number of disk page accesses made by the aggregate network operations during query proce...
    Engin Demir, Cevdet Aykanat, Berkant Barla Cambazo...
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    IS
    2008
    132views Artificial Intelligence» more  IS 2008»
    Mining relational data from text: From strictly supervised to weakly supervised learning
    13 years 8 months ago
    Mining relational data from text: From strictly supervised to weakly supervised learning
    Download  dblab.mgt.ncu.edu.tw
    This paper approaches the relation classification problem in information extraction framework with different machine learning strategies, from strictly supervised to weakly superv...
    Zhu Zhang
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    IS
    2008
    135views Artificial Intelligence» more  IS 2008»
    DFL: A dataflow language based on Petri nets and nested relational calculus
    13 years 8 months ago
    DFL: A dataflow language based on Petri nets and nested relational calculus
    Download  www.st.ewi.tudelft.nl
    In this paper we propose DFL -- a formal, graphical workflow language for dataflows, i.e., workflows where large amounts of complex data are manipulated, and the structure of the ...
    Jan Hidders, Natalia Kwasnikowska, Jacek Sroka, Je...
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    IS
    2008
    146views Artificial Intelligence» more  IS 2008»
    Continuous subspace clustering in streaming time series
    13 years 8 months ago
    Continuous subspace clustering in streaming time series
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    Performing data mining tasks in streaming data is considered a challenging research direction, due to the continuous data evolution. In this work, we focus on the problem of clust...
    Maria Kontaki, Apostolos N. Papadopoulos, Yannis M...
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